The book presents the main theoretical works of G. Ammon, the founder of the German school of dynamic psychiatry, combining psychoanalytic, intersubjective approaches and ideas of ego psychology. In the section on psychosomatics, the author presents the mutual influence of constitutional and psychosocial factors, considers the possibility of changing psychosomatic and psychopathological disorders in a single sliding spectrum of disorders. The psychotherapeutic system is described in detail with an emphasis on various group forms of work that provide catch-up development and replenishment of personal deficits. The monograph is intended for psychiatrists, psychotherapists, clinical psychologists and psychosomatic specialists.